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Finding the Third Proportional to 260.72 and 569.53

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Solution

The third proportional to 260.72 and 569.53 is: 1,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.72 : 569.53 = 569.53 : x
  2. Step 2: Convert to fraction form
    260.72/569.53 = 569.53/x
  3. Step 3: Cross multiply
    260.72x = 569.53 × 569.53
  4. Step 4: Simplify right side
    260.72x = 324,365.84
  5. Step 5: Solve for x
    x = 324,365.84/260.72
  6. Step 6: Final answer
    x = 1,244.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.